#ifndef DATE_H
#define DATE_H
typedef struct date {
	char day;
	char month;
	int year;
} date;
extern const date NULL_DATE;
date new_date(char day, char month, int year);
date date_from_string(wchar_t* str);
int date_compare(const void* date1,const void* date2);
#endif /* DATE_H */
